, ofcourse,harrypotter. andnow, her first book for adults is already a hit. it's called "the casual vacancy." and abc's cynthia mcfadden went all the way to scotland to visit the very usually private writer for a very intimate interview. >> good morning, amy. i started out worried to tell you the truth. it was so intense the book. we had to read the man script pages in the publisher's offices. but it was all okay when we got to meet j.k. rowling. her novel is already becoming a blockbuster. it's number one on amazon.com before going on sale today. before anyone really knows much about what's in it. you're going to get your own first look from the author herself, right now. >> harry potter, confront your fate. >> reporter: it's been years since the last harry potter movie was released. five years since the last book. but the interest in harry potter's creator has not died down. especially as her new non-harry novel goes on sale. i'm holding the only copy of the book in scotland, i understand. this is so rare. i read the manuscript pages in your publisher's office. >> sorry about that